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/****************************************************************************
** Copyright (C) 2001-2010 Klaralvdalens Datakonsult AB. All rights reserved.
**
** This file is part of the KD Tools library.
**
** Licensees holding valid commercial KD Tools licenses may use this file in
** accordance with the KD Tools Commercial License Agreement provided with
** the Software.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU Lesser General Public License version 2 and version 3 as published by the
** Free Software Foundation and appearing in the file LICENSE.LGPL included.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** Contact info@kdab.com if any conditions of this licensing are not
** clear to you.
**
**********************************************************************/
#include "kdsysinfo.h"
#include <QLibrary>
#include <QStringList>
#ifdef Q_CC_MINGW
# ifndef _WIN32_WINNT
# define _WIN32_WINNT 0x0501
# endif
#endif
#include <windows.h>
#include <psapi.h>
#include <tlhelp32.h>
const int KDSYSINFO_PROCESS_QUERY_LIMITED_INFORMATION = 0x1000;
namespace KDUpdater {
quint64 installedMemory()
{
MEMORYSTATUSEX status;
status.dwLength = sizeof(status);
GlobalMemoryStatusEx(&status);
return quint64(status.ullTotalPhys);
}
struct EnumWindowsProcParam
{
QList<ProcessInfo> processes;
QList<quint32> seenIDs;
};
typedef BOOL (WINAPI *QueryFullProcessImageNamePtr)(HANDLE, DWORD, char *, PDWORD);
typedef DWORD (WINAPI *GetProcessImageFileNamePtr)(HANDLE, char *, DWORD);
QList<ProcessInfo> runningProcesses()
{
EnumWindowsProcParam param;
HANDLE snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
if (!snapshot)
return param.processes;
QStringList deviceList;
const DWORD bufferSize = 1024;
char buffer[bufferSize + 1] = { 0 };
if (QSysInfo::windowsVersion() <= QSysInfo::WV_5_2) {
const DWORD size = GetLogicalDriveStringsA(bufferSize, buffer);
deviceList = QString::fromLatin1(buffer, size).split(QLatin1Char(char(0)), QString::SkipEmptyParts);
}
QLibrary kernel32(QLatin1String("Kernel32.dll"));
kernel32.load();
QueryFullProcessImageNamePtr pQueryFullProcessImageNamePtr = (QueryFullProcessImageNamePtr) kernel32
.resolve("QueryFullProcessImageNameA");
QLibrary psapi(QLatin1String("Psapi.dll"));
psapi.load();
GetProcessImageFileNamePtr pGetProcessImageFileNamePtr = (GetProcessImageFileNamePtr) psapi
.resolve("GetProcessImageFileNameA");
PROCESSENTRY32 processStruct;
processStruct.dwSize = sizeof(PROCESSENTRY32);
bool foundProcess = Process32First(snapshot, &processStruct);
while (foundProcess) {
HANDLE procHandle = OpenProcess(QSysInfo::windowsVersion() > QSysInfo::WV_5_2
? KDSYSINFO_PROCESS_QUERY_LIMITED_INFORMATION : PROCESS_QUERY_INFORMATION, false, processStruct
.th32ProcessID);
bool succ = false;
QString executablePath;
DWORD bufferSize = 1024;
if (QSysInfo::windowsVersion() > QSysInfo::WV_5_2) {
succ = pQueryFullProcessImageNamePtr(procHandle, 0, buffer, &bufferSize);
executablePath = QString::fromLatin1(buffer);
} else if (pGetProcessImageFileNamePtr) {
succ = pGetProcessImageFileNamePtr(procHandle, buffer, bufferSize);
executablePath = QString::fromLatin1(buffer);
for (int i = 0; i < deviceList.count(); ++i) {
executablePath.replace(QString::fromLatin1( "\\Device\\HarddiskVolume%1\\" ).arg(i + 1),
deviceList.at(i));
}
}
if (succ) {
const quint32 pid = processStruct.th32ProcessID;
param.seenIDs.append(pid);
ProcessInfo info;
info.id = pid;
info.name = executablePath;
param.processes.append(info);
}
CloseHandle(procHandle);
foundProcess = Process32Next(snapshot, &processStruct);
}
if (snapshot)
CloseHandle(snapshot);
kernel32.unload();
return param.processes;
}
} // namespace KDUpdater
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